A measuring device according to one aspect of the present invention includes a measurement control unit configured to acquire a measurement result obtained by measuring a quantity related to information on a user using a sensor, a packet generation unit configured to generate a one-way communication packet including the acquired measurement result, an action determination unit configured to determine whether or not the user is taking a specific action, a transmission interval adjusting unit configured to adjust a transmission interval based on a result of a determination by the action determination unit, and a packet transmission unit configured to transmit the packet at the adjusted transmission interval.
